Here is the description, the description is wrapped in one Excel cell.
Legal Entity: ABC Inc.
Account Name: ABC - JPM Chase account
Account #: 123456
ABA Routing #: 997889000
Currency: USD
Bank: JPM Chase
Bank Location: xxxxxxxxxxxxxxx
ID: xxxxxxxxxxxxx
How do I write the RegEx expression so that it extracts only the account number "123456" as my output?